I guess I was being a bit sarcastic...I don't really want to COVER my yard with it, but I would like to have large sections (4x8, maybe) of it. I love the smell of it and would like to grow enough to dry for teas, salves, sachets, etc.

Oh I am right there with you. In my side yard, I am going to put perennial chamomile that I saw in the Johnny's seed catalog. It's cold hardy and the creeping kind...apparently it has fewer flowers than the ones grown for production tea gardens...but you can use them for tea the same way. I think it will look lovely. In the winter, our yard is usually, but not always, covered with snow. In the summer, I usually plant an old wheelbarrow and lobster trap with annuals in reds and pinks...the place where I'm putting the chamomile also has a rock garden nearby...a tall evergreen, and some small lilacs and a couple of maples. I think it will blend in really well and hopefully provide me with inexpensive tea as well!